plz give answers step by step
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Step-by-step explanation:
[ 1/y + 1/2 ] / [-1/y² + 1/4]
=> [(y + 2)/2y] / [(y² - 4)/4y²]
=> [(y + 2) / 2y] * [4y²/ (y² - 4)]
=> [(y + 2) / 2y] * [ 2y * 2y / (y + 2)(y - 2)]
=> 2y/ y - 2
=> 1 / (y - 2) / 2y
=> 1 / [ y/2y - 2/2y]
=> 1 / (1/2 - 1/y)
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